Deceitful and despicable is one description that wronged wives could apply to their cheating husbands.
Plain stupid is another. For scientists have concluded that men who sleep around are likely to have lower IQs.
It is a finding likely to prove of interest to Cheryl Cole as she contemplates her errant partner Ashley’s unfaithful ways.
Dr Satoshi Kanazawa, an evolutionary psychologist from the London School of Economics and Political Science, said the smarter a man is, the less likely he is to cheat on his partner.